MONTAUK RENEWABLES INC - Unaudited Consolidated Results for the six months ended 30 June 2026

Unaudited Consolidated Results for the six months ended 30 June 2026

MONTAUK RENEWABLES, INC.
Incorporated in the United States of America
Company number: 85-3189583
NASDAQ share code: MNTK
JSE share code: MKR
ISIN: US61218C1036
("Montauk Renewables" or the "Company")


UNAUDITED CONSOLIDATED RESULTS
For the six months ended 30 June 2026

Dollar amounts presented herein are in United States Dollars

SALIENT FEATURES
                                                              2026        2025
                                                         Six months    Six months    Percentage
                                                       Ended 30 June Ended 30 June       change
Revenue                                        ($'000)     100 447        87 730          14.5%
EBITDA                                         ($'000)      21 066        11 360          85.4%
Headline earnings / (loss)                     ($'000)       1 084        (4 008)        127.0%
Earnings / (loss) per share                    ($)            0.00         (0.04)        100.0%
Headline earnings / (loss) per common share    ($)            0.01         (0.03)        133.3%
Net asset value per common share               ($)            1.85          1.78           3.9%


DECLARATION OF CASH DIVIDEND
The directors have resolved not to declare a final dividend to focus financial resources on the
continued development of the Company's operations portfolio.

USE OF NON-GAAP MEASURES
This report was prepared for the purpose of complying with the reporting requirements of the
Johannesburg Stock Exchange and includes certain non-GAAP measures, such as headline earnings and
headline earnings per common share, and related reconciliations.

Reconciliation of headline earnings
                                                       2026                        2025
                                                    Six months                  Six months
                                                  Ended 30 June               Ended 30 June

                                                Gross              Net      Gross             Net
                                                $'000            $'000      $'000           $'000
Net income / (loss) attributable to common
shareholders                                                       231                     (5 951)
Adjustments
(Gain) / loss on disposal of plant and Equipment (13)              (10)        36              28
Impairment of plant and equipment               1 093              863      2 424           1 915
Headline earnings / (loss)                                       1 084                     (4 008)

Basic and headline earnings / (loss) per common share (US Dollars)
Earnings                                                          0.00                      (0.04)
Headline earnings                                                 0.01                      (0.03)

Weighted-average common shares
outstanding ('000)(1)                                          143 245                    142 875

Diluted earnings / (loss) per common share (US Dollars)
Earnings                                                          0.00                      (0.04)
Headline earnings                                                 0.01                      (0.03)

Weighted-average common shares
outstanding for diluted ('000)                                 143 917                     142 875


   (1) The common share outstanding as of June 30, 2026 is as reported in the quarterly report on
       Form 10-Q for the fiscal quarter ended June 30, 2026, filed with the Securities and Exchange
       Commission on August 5, 2026.

FORM 10-Q QUARTERLY REPORT and FORM 8-K CURRENT REPORT
Pursuant to Section 13 or 15 (d) of the Securities Exchange Act of 1934, Montauk Renewables
stockholders are advised that a Form 10-Q and Form 8-K has been filed with the SEC. The Form 10-Q
disclose the quarterly results and related disclosures for the quarterly period ended 30 June 2026.
The Form 8-K discloses the press release announcing the quarterly results for the second quarter
ended 30 June 2026.

A copy of the Form 10-Q can be found at:
https://www.sec.gov/ix?doc=/Archives/edgar/data/0001826600/000119312526335335/mntk-20260630.htm

A copy of the Form 8-K can be found at:
https://www.sec.gov/ix?doc=/Archives/edgar/data/0001826600/000119312526335293/mntk-20260805.htm

DIRECTORS' STATEMENT
This short-form announcement is the responsibility of the Company's Board of Directors and has been
prepared in compliance with the JSE Listings Requirements.

The financial information is only a summary and does not contain full details of the financial
results. Any investment decisions by investors and/or shareholders should be based on information
contained in the full announcement, accessible from August 6, 2026, via the JSE link
(https://senspdf.jse.co.za/documents/2026/jse/isse/MKRE/HY26.pdf). The full announcement is also
available at the Company's registered office and may be requested at info@montaukenergy.com free of
charge to investors and/or shareholders, during office hours (09:00 - 17:00) from Mondays to
Fridays.

August 6, 2026

Directors: JA Copelyn (Chairman)*###, SF McClain (Chief Executive Officer)#,
MH Ahmed*###, TG Govender*###, J Cunningham*#, Y Shaik* ###
*Non-executive; #United States of America; ### Republic of South Africa

Company secretary: J Ciroli

Registered office: 5313 Campbells Run Road, Suite 200, Pittsburgh, PA 15205
Website: https://ir.montaukrenewables.com/

Montauk Renewables is primary listed on the Nasdaq and secondary listed on the JSE.

Sponsor:
Investec Bank Limited

Date: 06-08-2026 07:05:00
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